<!DOCTYPE html>
<html>
    <head>
        <title>requestMediaKeySystemAccess() is not available on unique origin</title>
        <script src="../../resources/testharness.js"></script>
        <script src="../../resources/testharnessreport.js"></script>
    </head>
    <body>
        <script>
            // When the sandbox attribute is present on an iframe, it will
            // treat the content as being from a unique origin. So try to
            // call createMediaKeys() inside an iframe and it should fail.

            function load_iframe(src, sandbox) {
                return new Promise(function(resolve) {
                    var iframe = document.createElement('iframe');
                    iframe.onload = function() { resolve(iframe); };
                    iframe.sandbox = sandbox;
                    iframe.src = src;
                    document.documentElement.appendChild(iframe);
                });
            }

            function wait_for_message() {
                return new Promise(function(resolve) {
                    self.addEventListener('message', function listener(e) {
                        resolve(e.data);
                        self.removeEventListener('message', listener);
                    });
                });
            }

            promise_test(function(test) {
                // TODO(xhwang): Also check other EME APIs.
                var script = 'data:text/html,' +
                    '<script>' +
                    '    window.onmessage = function(e) {' +
                    '        if (\'requestMediaKeySystemAccess\' in navigator) {' +
                    '            window.parent.postMessage({result: \'available\'}, \'*\');' +
                    '        } else { ' +
                    '            window.parent.postMessage({result: \'unavailable\'}, \'*\');' +
                    '        }' +
                    '    };' +
                    '<\/script>';

                // Verify that this page can create a MediaKeys first.
                return navigator.requestMediaKeySystemAccess('org.w3.clearkey', [{
                    initDataTypes: [ 'keyids' ],
                    audioCapabilities: [
                        { contentType: 'audio/mp4; codecs="mp4a.40.2"' },
                        { contentType: 'audio/webm; codecs="opus"' }
                    ]
                }]).then(function(access) {
                    return access.createMediaKeys();
                }).then(function(mediaKeys) {
                    // Success, so now create the iframe and try there.
                    return load_iframe(script, 'allow-scripts');
                }).then(function(iframe) {
                    iframe.contentWindow.postMessage({}, '*');
                    return wait_for_message();
                }).then(function(message) {
                    assert_equals(message.result, 'unavailable');
                });
            }, 'requestMediaKeySystemAccess() is not available on unique origin');
        </script>
    </body>
</html>
